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| Number | Title | Issue Date |
| 7686017 | Fluid flow control valve A fluid flow control valve is disclosed. This valve includes a housing which defines a central passageway having fluid inlet and fluid outlet openings. A pressure responsive element is disposed within the passageway for selectively opening and closing the inlet open... | 03/30/2010 |
| 7328669 | Buoyancy-based, underwater propulsion system and method An apparatus for underwater propulsion. The apparatus may include a hydrofoil, a buoyancy compensator connected to the hydrofoil, a tank containing air, and a controller regulating the passage of air from the tank into the buoyancy compensator. The controller may al... | 02/12/2008 |
| 7207328 | Emergency air delivery system for patients As disclosed herein, the present invention relates to an improved respirator having a respirator mask, respirator bellows, respirator conduits, and mounting straps attached to the torso of an operator. The respirator mask is positioned over a patient's face so as to... | 04/24/2007 |
| 7159528 | Snorkel apparatus and methods of use Disclosed is an apparatus and methods for a plurality of users to work and/or play underwater with a supply of breathable air. The breathable air is taken from the atmosphere above the surface of the water. The air is sent to one or two submerged users. The apparatu... | 01/09/2007 |
| 7104729 | Buoyancy compensator jacket for scuba divers with improved weight pockets A buoyancy compensator jacket for a scuba diver is disclosed. The jacket comprises a back portion having two opposite sides. Side portions extending from the opposite sides are provided for laterally enveloping the diver's trunk and for connecting to one another gen... | 09/12/2006 |
| 7089875 | Gliding board for sports activities on water, snow, sand lawn and the like The invention relates to a gliding board for sports activities on water, snow, sand, lawn and the like, comprising a body resembling a board, which is equipped with a drive motor, wherein a self-supporting tank for the drive motor covering a large surface of the str... | 08/15/2006 |
| 7083361 | Aquatic breathing apparatus, system, and associated methods An aquatic breathing apparatus includes a buoyancy vest for aquatic breathing. The vest includes a weight-bearing back portion positionable adjacent a back of a user and a front portion positionable adjacent the chest. The front portion includes a support element ad... | 08/01/2006 |
| 7047966 | Lifesaving floatation and breathing device This lifesaving floatation and breathing device comprises first and second inflatable bags having similar bag volumes, and a mouthpiece communicating with both bags. A pressurized gas cylinder filled with breathable gas is mounted to one of the bags. This pressurize... | 05/23/2006 |
| 7032591 | Snorkel with improved purging system A snorkel for use in swimming. The snorkel includes an elongate breathing tube having an upper portion and a lower portion. A lower opening is formed in the lower portion and an upper opening is formed in the upper portion. A mouthpiece is located at the lower openi... | 04/25/2006 |
| 7011089 | Sub-aqua breathing system A sub-aqua breathing system which enables a person operating underwater to breathe air from a compressed air tank supported on the water surface. The system includes a housing containing both a buoyant material and a toroidal compressed air tank connected to an air ... | 03/14/2006 |
| 6973928 | Tank retaining device A tank retaining device for inhibiting a scuba tank from slipping downwardly in reference to a buoyancy control device. The tank retaining device includes a ring member having a diameter smaller than a scuba tank designed for abutting a bottom the of the scuba tank,... | 12/13/2005 |
| 6966809 | Air supply and exhaust system for buoyancy compensator An air supply and exhaust system used for a buoyancy compensator includes an air supply and exhaust unit attached to a jacket, a manipulating unit connected to a hose extending from an air cylinder and first and second hoses connected to these two units. The air sup... | 11/22/2005 |
| 6923177 | Underwater breathing device A versatile underwater breathing device which comprises, a pressurized gas reservoir or tank (21), a buoyancy bladder (72), bladder inflation control means (76), a breathing regulator (32) in communication with the gas reservoir; and a fl... | 08/02/2005 |
| 6920879 | Compressed air breathing apparatus A compressed air breathing apparatus having a base plate, at least one compressed air bottle detachably mounted to the base plate using a fastening strap and an additional fixing device, and a high-pressure fitting attached to the at least one compressed air bottle.... | 07/26/2005 |
| 6915801 | Combination oxygen supplement and swimming snorkel apparatus A swimming snorkel and oxygen supplement apparatus that includes a mask and a headband strap to which is mounted a snorkel device, including a snorkel tube and a mouthpiece for inspiration of atmospheric air therethrough, and an oxygen supply system for communicatin... | 07/12/2005 |
| 6913421 | Diving tank pocket buoyancy compensator with adjustable pressure valve A diving-tank-pocket buoyancy compensator has an expandable diving-tank pocket (1) that envelopes a diving tank (2) which the diving-tank pocket is articulated for containing in addition to at least an inflated buoyancy air cell (3). The buoyanc... | 07/05/2005 |
| 6761163 | Inflator regulator with multiple adapters for connection to different size BC hoses Inflator regulator having a threaded sleeve and a plurality of different size adapters for connection to a plurality of different size BC hoses. Connecting the inflator regulator to a selected BC hose is accommodated by selecting the corresponding size adapter. The ... | 07/13/2004 |
| 6461080 | Balancing jacket for divers An air valve of a balancing jacket can be opened not only by a conventional driving cable located within the corrugated pipe of the balancing jacket, but also independently from the conventional driving cable by an auxiliary driving member integral or ope... | 10/08/2002 |
| 6408844 | Breathing apparatus A breathing apparatus adapted for use in combination with a tube for swimming, the breathing apparatus includes a floatable body having a hollow case for floating over water level and an opening; and a breathing assembly mounted detachably. The breathing ... | 06/25/2002 |
| 6039043 | Underwater air supply system An underwater air supply system for use with an air supply tank and a buoyancy chamber includes a base module and a plurality of interchangeable modules releasably connectable to the base module. Each module includes at least one of an air supply buoyancy... | 03/21/2000 |
| 6001552 | Method for supporting the life of a premature baby A method for supporting the life of a baby which was born too prematurely to have functioning lungs and remains attached to its placenta through its umbilical cord. The placenta is maintained in a moist, oxygen containing environment while it is contacted... | 12/14/1999 |
| 5924416 | Underwater breathing apparatus A floating apparatus for providing breathable pressurized air to a submerged swimmer(s). A inflatable tube supports a combination of two containers at the waters surface. The top container is a sealed battery compartment and mating cover which holds a bat... | 07/20/1999 |
| 5887585 | Air supply life vest A life safety vest for white water rafting, canoeing and kayaking, with scuba air breathing apparatus. A life safety vest of the conventional kind worn about the torso, having front and rear panels that incorporate sections of flotation material, is modif... | 03/30/1999 |
| 5738093 | Flexible hyperbaric chamber A flexible hyperbaric chamber includes a flexible air tight fabric vessel equipped with one opening at one or each end. A mobile door is provided for closing the fabric vessel. A metallic shield is provided adjacent to the opening outside the fabric vesse... | 04/14/1998 |
| 5678542 | Decompression gas switching manifold A decompression gas switching manifold for technical diving with full face mask includes separate manifold blocks (for travel/bottom and decompression gases) which can be connected or isolated by an isolation valve.... | 10/21/1997 |
| 5664980 | Coupling for an air hose of a diver's jacket An improved coupling for an air hose of a diver's jacket includes an outer sleeve with one end fitted onto one end of the air hose, the outer sleeve having an inner tube with multiple annular teeth locked therein, such that the air hose is tightly clamped... | 09/09/1997 |
| 5652987 | Decubitus ulcer prevention device The present invention relates to a decubitus ulcer prevention device, which comprises an air generator having a fan, an air mattress for receiving air, from the air generator, that is discharged at a surface through minute air discharge holes, and a hose ... | 08/05/1997 |
| 5622165 | Snorkel diving device A snorkel diving device has a floating disc, a hard snorkel passing through the floating disc longitudinally, a snorkel casing covering the upper end of the hard snorkel, and a hose connecting the hard snorkel and a mouthpiece joint. The floating disc has... | 04/22/1997 |
| 5606967 | Mask and snorkel assembly A mask and snorkel assembly including a float having a circular center recess and a center through hole at the center of the center recess, a snorkel retained in the center recess of the float by a locating block thereof and having a top end turned down a... | 03/04/1997 |
| 5542446 | Scuba buoyancy control valve A buoyancy control valve assembly for maintaining a diver's neutral buoyancy as the diver descends or ascends by automatically admitting air to or releasing air from the diver's buoyancy compensator. The assembly includes a valve body having a reference a... | 08/06/1996 |
| 5438977 | Snorkel and buoyancy control apparatus A snorkel and buoyancy control apparatus is provided for a snorkeler who employs a snorkel tube assembly for receiving inhaled air. The snorkel and buoyancy control apparatus includes a mouthpiece/selector valve assembly, connected to the snorkel tube ass... | 08/08/1995 |
| 5417204 | Scuba air contamination detector An air contamination detector for a scuba unit includes a transparent tube having a lumen, the lumen being user visible for a full 360° about its circumference. A contamination indicator is positioned within the lumen and is exposed to air flow from the ... | 05/23/1995 |
| 5408993 | Snorkel and buoyancy vest with manual controls A new and improved snorkel and buoyancy control apparatus includes a snorkel tube for receiving inhaled air, a first one-way air valve connected to the snorkel tube for permitting air flow into the snorkel tube during inhalation, and a mouthpiece for rece... | 04/25/1995 |
| 5327849 | Underwater breathing apparatus A floating apparatus for providing pressurized air to a submerged swimmer. A floatation device supports a combination of two containers above the surface of the water. The top container, in the form of an inverted box, holds one or more electrically power... | 07/12/1994 |
| 5101818 | Snorkeling system A dive vest and snorkel system is provided. The dive vest is constructed of air and water impervious material having an inflation chamber capable of receiving and storing air and further having an exhaust port which automatically exhausts the air stored i... | 04/07/1992 |
| 5092325 | Scuba breathing apparatus A breathing apparatus for scuba diving comprising a reservoir for compressed air an inlet valve for the supply of air to a mouthpiece, an exhalation valve the apparatus being connectable to a buoyancy device characterized in that the apparatus comprises (... | 03/03/1992 |
| 4986700 | Buoyant force control apparatus for scuba diving A buoyant force control apparatus for scuba diving is used being installed on a diver's suit. Air supply to an air chamber formed within the suit is done, by pushing operations of opening and closing the air supply valve, from an air tank. Alternately, th... | 01/22/1991 |
| 4951660 | Diver's rescue apparatus A diver's rescue apparatus includes a fillable buoyancy element and a breathing bag into which respiratory gas mixture is metered from a compressed gas source is to be expanded to a range of use for greater diving depths, for example up to 150 to 200 m. I... | 08/28/1990 |
| 4881539 | Protective suit having a supply of breathing air A protective suit has a supply of breathing air and includes a multiplicity of hollow chambers covering the body of the wearer which can be filled with breathing gas. The interiors of these chambers communicate with one another. The protective suit also i... | 11/21/1989 |
| 4832013 | Portable underwater breathing apparatus A portable floating apparatus for providing pressurized air to a submerged diver. The apparatus is comprised of the combination of a gasoline engine and an air compressor, said combination being housed in a buoyant container similar to a suitcase. The gas... | 05/23/1989 |